Data-flow diagrams illustrate important concepts about data and their relationships.
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Q1: Assume shipment data are entered into a
Q1: On a data flow diagram,an arrow represents
Q2: A data flow represents data in motion,moving
Q6: Structured analysis techniques, such as data-flow diagramming,
Q6: On a data flow diagram,a diamond represents
Q8: The determination of which items are low
Q17: The data a sink receives and often
Q18: Assume your local veterinarian records information about
Q19: A data-flow diagram (DFD) is a graphical
Q19: Sources and sinks are internal to the
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